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MathGroup Archive 2004

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RE: how to take quotation marks away ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48536] RE: [mg48491] how to take quotation marks away ?
  • From: "Ingolf Dahl" <ingolf.dahl at telia.com>
  • Date: Fri, 4 Jun 2004 04:50:24 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Florian!
If alist = {{"42.1,3.3"}, {"3.1,4.2"}} is your list,
use the following command 

Map[ToExpression["Sequence[" <> # <> "]"] & , alist , {2}]

Best wishes

Ingolf Dahl
Sweden

>-----Original Message-----
>From: Florian Jaccard [mailto:florian.jaccard at eiaj.ch]
To: mathgroup at smc.vnet.net
>Sent: Wednesday, June 02, 2004 10:22
>To: mathgroup at smc.vnet.net
>Subject: [mg48536] [mg48491] how to take quotation marks away ?
>
>
>Dear Mathematica-specialists,
>
> 
>
>I have a  (long)  list of the form   {{"42.1,3.3"},{"3.1,4.2"}}  
>
>How can I transform it to obtain  {{42.1,3.3},{3.1,4.2}} ?
>
>I tried ToExpression, but it failed.
>
> 
>
>Thanks in advance !
>
> 
>
>Greetings
>
> 
>
>F.Jaccard
>
> 


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